<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Typeof</title>
</head>
<body>
    <script>
        var num = 10;
        var str = "Heatwave";
        var flag =true;
        var nll = null;
        var undef;
        var obj = new Object();
        
        console.log(typeof num);
        console.log(typeof str);
        console.log(typeof flag);
        console.log(typeof nll);
        console.log(typeof undef);
        console.log(typeof obj);

    </script>
</body>
</html>